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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 97 (FRAME AND UNDERBODY)REPAIR INSTRUCTIONSFRAME REPLACEMENTREMOVAL PROCEDURE
2008 Pontiac Grand Prix Base

Removal Procedure

2008 Pontiac Grand Prix BaseSECTION Removal Procedure
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the engine support fixture. Refer to Engine Support Fixture in Engine Mechanical - 3.8L or Engine Support Fixture in Engine Mechanical - 3.6L (LY7).
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the front tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Remove and discard the two plastic braces from the front of the radiator lower air deflector. The plastic braces are directly below the front cradle bolts.
  5. Remove the positive battery cable and the retainers from the frame and position aside. Refer to Battery Positive Cable Replacement (L26) or Battery Positive Cable Replacement (LY7) in Engine Electrical.
  6. Disconnect the power steering return hose from the frame. Refer to Power Steering Return Hose Replacement (3.8L) in Power Steering System.
  7. Secure the power steering return hose.
  8. Remove the stabilizer shaft links and rotate the stabilizer shaft upward to gain access to the mounting bolts in the power steering gear. Refer to Stabilizer Shaft Link Replacement in Front Suspension.
  9. Remove the mounting bolts from the power steering gear. Refer to Power Steering Gear Replacement in Power Steering System.
    10. Fig 1: Securing Power Steering Gear To Exhaust Manifold
    GM378919Courtesy of GENERAL MOTORS CORP.
  10. Secure the power steering gear.
  11. Remove the nuts that secure the engine mount to the frame. Refer to Engine Front Mount Replacement in Engine Mechanical - 3.8L or Engine Mount Replacement - Right Side in Engine Mechanical - 3.6L.
  12. Remove the nuts which secure the transaxle mount to the frame. Refer to Transmission Mount Replacement - Left Side in Automatic Transaxle.
    13. Fig 2: View Of Front Wheel Speed Sensor Harness Connectors
    GM1209233Courtesy of GENERAL MOTORS CORP.
  13. If applicable, disconnect the front wheel speed sensor harness connectors.
  14. If applicable, disconnect the wheel speed sensor harness from the frame and lower control arms.
  15. If applicable, remove the retainers at the front wheel speed harness from the frame and from the lower control arms.
  16. Separate both of the lower ball joints from the steering knuckle. Refer to Lower Control Arm Replacement in Front Suspension.
  17. Remove both front drivetrain reinforcements using the following procedure.
    1. Remove the drivetrain reinforcement to support brace bolts.
    2. Remove the drivetrain reinforcement to front cradle mounting stud nut.
    3. Remove the drivetrain reinforcement from the vehicle.
    18. Fig 3: Identifying Utility Stand
    GM333118Courtesy of GENERAL MOTORS CORP.
  18. Lower the vehicle until the frame contacts the J 39580  .
    19. Fig 4: View Of Bolts From Front Frame Of Body
    GM1208433Courtesy of GENERAL MOTORS CORP.
  19. Remove the bolts which secure the front frame to the body.
    20. Fig 5: View Of Bolts From Rear Frame Of Body
    GM1208437Courtesy of GENERAL MOTORS CORP.
  20. Remove the bolts which secure the rear frame to the body.
  21. Raise the vehicle in order to separate the frame from the body.
  22. If you are replacing the frame, remove the following components:
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.